The festival will hold a tribute for the pair on Feb. 5 at the Arlington Theatre. Both received Golden Globe and Screen Actors Guild nominations this week for best actor and best supporting actress.
The festival’s Vanguard Award was created in recognition of actors who have forged their own path by taking artistic risks and making a “significant and unique contribution to film.” Previous honorees include Rooney Mara, Eddie Redmayne and Felicity Jones, Martin Scorsese and Leonardo DiCaprio, Amy Adams, Jean Dujardin and Bérénice Bejo, Nicole Kidman,Christoph Waltz, Vera Farmiga, Stanley Tucci, Peter Sarsgaard, Kristin Scott Thomas and Ryan Gosling.
“Throughout their respective careers, Casey and Michelle have impressed audiences with distinct, personal roles and we are excited to bring them together to honor their sublime performances in ‘Manchester by the Sea,’” said Roger Durling, executive director of the festival.
The film centers on Affleck’s character returning to his hometown to deal with being made the guardian of his deceased brother’s 15-year-old son and a past that separated him from his wife, portrayed by Williams.